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Verified answer
Mapel : IPA FisikaBab : Pemuaian
Diketahui :
- T₀ = 0°C
- T₁ = 20°C
- L₀ = 4 m
- a = 2,35 × 10⁻⁵/°C
Ditanya :
- L₁ = ......m?
Penyelesaian :
- Perubahan Panjang (∆L) :
∆L = L₀ × a × ∆T
∆L = 4 m × 2,35 × 10⁻⁵/°C × (20°C - 0°C)
∆L = 9,4 m × 10⁻⁵/°C × 20°C
∆L = 188 m × 10⁻⁵
∆L = 0,00188 m
- L₁ :
L₁ = ∆L + L₀
L₁ = 0,00188 m + 4 m
L₁ = 4,00188 m
Jawaban : C. 4,00188 m
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